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use std::fmt;
use std::fmt::Debug;
use std::fmt::Display;
use std::io::Error as IoError;
use std::sync::Arc;
use async_trait::async_trait;
use futures_util::stream::BoxStream;
use futures_util::stream::StreamExt;
use serde::de::DeserializeOwned;
use serde::Serialize;
use serde_json::Value;
use k8_diff::DiffError;
use k8_obj_metadata::InputK8Obj;
use k8_obj_metadata::K8List;
use k8_obj_metadata::K8Meta;
use k8_obj_metadata::K8Obj;
use k8_obj_metadata::K8Status;
use k8_obj_metadata::K8Watch;
use k8_obj_metadata::Spec;
use k8_obj_metadata::UpdateK8ObjStatus;
use crate::ListArg;
use crate::MetadataClient;
use crate::MetadataClientError;
use crate::NameSpace;
use crate::TokenStreamResult;
#[derive(Debug)]
pub enum DoNothingError {
IoError(IoError),
DiffError(DiffError),
JsonError(serde_json::Error),
PatchError,
NotFound,
}
impl From<IoError> for DoNothingError {
fn from(error: IoError) -> Self {
Self::IoError(error)
}
}
impl From<serde_json::Error> for DoNothingError {
fn from(error: serde_json::Error) -> Self {
Self::JsonError(error)
}
}
impl From<DiffError> for DoNothingError {
fn from(error: DiffError) -> Self {
Self::DiffError(error)
}
}
impl fmt::Display for DoNothingError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
Self::IoError(err) => write!(f, "io: {}", err),
Self::JsonError(err) => write!(f, "{}", err),
Self::NotFound => write!(f, "not found"),
Self::DiffError(err) => write!(f, "{:#?}", err),
Self::PatchError => write!(f, "patch error"),
}
}
}
impl MetadataClientError for DoNothingError {
fn patch_error() -> Self {
Self::PatchError
}
fn not_founded(&self) -> bool {
match self {
Self::NotFound => true,
_ => false,
}
}
}
pub struct DoNothingClient();
#[async_trait]
impl MetadataClient for DoNothingClient {
type MetadataClientError = DoNothingError;
async fn retrieve_item<S, M>(
&self,
_metadata: &M,
) -> Result<K8Obj<S>, Self::MetadataClientError>
where
K8Obj<S>: DeserializeOwned,
S: Spec,
M: K8Meta + Send + Sync,
{
Err(DoNothingError::NotFound) as Result<K8Obj<S>, Self::MetadataClientError>
}
async fn retrieve_items_with_option<S, N>(
&self,
_namespace: N,
_option: Option<ListArg>,
) -> Result<K8List<S>, Self::MetadataClientError>
where
S: Spec,
N: Into<NameSpace> + Send + Sync,
{
Err(DoNothingError::NotFound) as Result<K8List<S>, Self::MetadataClientError>
}
fn retrieve_items_in_chunks<'a, S, N>(
self: Arc<Self>,
_namespace: N,
_limit: u32,
_option: Option<ListArg>,
) -> BoxStream<'a, K8List<S>>
where
S: Spec + 'static,
N: Into<NameSpace> + Send + Sync + 'static,
{
futures_util::stream::empty().boxed()
}
async fn delete_item<S, M>(&self, _metadata: &M) -> Result<K8Status, Self::MetadataClientError>
where
S: Spec,
M: K8Meta + Send + Sync,
{
Err(DoNothingError::NotFound) as Result<K8Status, Self::MetadataClientError>
}
async fn create_item<S>(
&self,
_value: InputK8Obj<S>,
) -> Result<K8Obj<S>, Self::MetadataClientError>
where
InputK8Obj<S>: Serialize + Debug,
K8Obj<S>: DeserializeOwned,
S: Spec + Send,
{
Err(DoNothingError::NotFound) as Result<K8Obj<S>, Self::MetadataClientError>
}
async fn update_status<S>(
&self,
_value: &UpdateK8ObjStatus<S>,
) -> Result<K8Obj<S>, Self::MetadataClientError>
where
UpdateK8ObjStatus<S>: Serialize + Debug,
K8Obj<S>: DeserializeOwned,
S: Spec + Send + Sync,
S::Status: Send + Sync,
{
Err(DoNothingError::NotFound) as Result<K8Obj<S>, Self::MetadataClientError>
}
async fn patch_spec<S, M>(
&self,
_metadata: &M,
_patch: &Value,
) -> Result<K8Obj<S>, Self::MetadataClientError>
where
K8Obj<S>: DeserializeOwned,
S: Spec + Send,
M: K8Meta + Display + Send + Sync,
{
Err(DoNothingError::NotFound) as Result<K8Obj<S>, Self::MetadataClientError>
}
fn watch_stream_since<S, N>(
&self,
_namespace: N,
_resource_version: Option<String>,
) -> BoxStream<'_, TokenStreamResult<S, Self::MetadataClientError>>
where
K8Watch<S>: DeserializeOwned,
S: Spec + Send + 'static,
S::Header: Send + 'static,
S::Status: Send + 'static,
N: Into<NameSpace>,
{
futures_util::stream::empty().boxed()
}
}